I can sort of see where she is coming from, if I was selling Chi puppies, I would put on the ad not to be homed with large dogs or small children. When the prospective owner is sensible and experienced however, I wouldn't have any qualms about big dogs or kids, but for the general public, it would still be a no-no.
Your breeder cannot change her mind now, end of. He belongs to you, and it is no longer any of her business what you do with him. If she wanted a say in how he is raised, she should have had you sign a contract.
I bet she has had someone offer more money than you paid for him, and she is just seeing pound signs. Ignore her.

Her fault for not making the decision sooner. But....I would have an incredibly hard time letting a Chi puppy go to a home w/a big dog. The one time I did...he was killed by the dog even though the family took the precautions they thought they should to keep them seperate. But the breeder should have decided prior to you getting your pup not after.

Omg I feel like my chi's are in love with any dog bigger than them, Diamond is obsessed with playing with the largest dogs at the dog-park and every time nearly gives my husband and I a heart attack when she goes straight up to them with no hesitation or fear and is like "O HAI! I WANZ TU PLAY!" She grew up around Anatolian shepherds so she might be more use to the big beauty's but really that lady must've been smoking something to try and get the chi back, that's ridiculous lol

Yeah i understand if indi was left with him it would be all too easy but i make sure theres not a split second i cant see them, thats why everyone (except lady) is crated and they all get punished for playing to rough, even peanut fairs fair after all.

Yup i just smell a rat she knew the dogs saw the crates, and now changes her mind. She told me that small children wouldnt be allowed as they could pick him up and hurt him thinking they are playing, i dont have kids so that was fine. She simply told me to watch how the big dogs are with him, which they are perfectly fine with, shes saw photos on my facebook of the two of them on the couch napping.

Deevuhh, my little guys like that he loves our boxer/mastiff and greyhound but really pulls on his lead to get to play with bigger dogs.